public MainPage()
{
Current = this;
this.InitializeComponent();
LoggingSystem.LoggingSystem.SystemControl.ReturnDataEvent += SystemControl_ReturnDataEvent;
InfoPage.Navigate(typeof(ShowInfo));
LoginPage.Navigate(typeof(ShowLogin));
AboutPage.Navigate(typeof(ShowAbout));
NoticePage.Navigate(typeof(ShowNotice));
EasterPage.Navigate(typeof(EasterEggPage));
SettingPage.Navigate(typeof(ShowSettings));
//BillPage.Navigate(typeof(ShowBill));
}
